Fig. 4 in Marine-like isopod Heterosphaeroma priscum from a Late Paleocene freshwater system in Sézanne, France revisited

Fig. 4. Detailed anatomy of isopod Heterosphaeroma priscum (MilneEdwards, 1868), late Thanetian of Sézanne, Marne, France. A. SU.PAL.2017. 0.2.3.1, ventral view. B. SU.PAL.2017.0.2.3.2-1, dorsal view and leaf co-occurrence (dashed), isopod individuals (arrows). C. SU.PAL.2017.0.2.3.2-2, dorsal view. Abbreviations: pln, pleonite; plp, pleopod; prn, pereonite; prp, pereopod. Photographs RV and Rémi Brageu (SU).